Hardware Spec Index

Caldera CS-6691 Ultra Micro-ATX tower Case

PC Cases · Caldera · SKU CS6691-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,426 (PC Cases scale)
Category rank#42,461
Street price$109
Performance per dollar13.08
Released2026

Specifications

BrandCaldera
ModelCaldera CS-6691 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume32 L
Max GPU length367 mm
Max CPU cooler height160 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included3× 140 mm
Front I/O1× USB 3.2 Gen 2x2 Type-C (20Gbps), 2× USB 3.0, audio
PSU supportATX (up to 220 mm)
Side panelTempered glass
Rear-connector boardsSupported

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Cite this page: Hardware Spec Index, “Caldera CS-6691 Ultra Micro-ATX tower Case”, https://vextor7.com/item/3531386 (accessed 2026-10-20).